The Williams Brothers Basic 300 12x24 flush access door is a cost effective access door is galvanized with a grey baked enamel primer finish. Also available in 304 and 316 stainless steel with a #4 brushed finish. This door is for indoor and outdoor use. It is an economical and attractive access door for walls and ceilings. This quality product is ideally suited for apartments, condominiums, and office buildings. A concealed hinge, rounded flange safety corners, and flush fit door panel with formed edges are standard on this made-in-USA access door.